From a6ddffe74c8f081e4a99ea087cfa51622a5c9769 Mon Sep 17 00:00:00 2001
From: Germain Souquet <germain@souquet.com>
Date: Mon, 7 Jun 2021 09:26:42 +0100
Subject: [PATCH] Add scroll token to file and notif event tiles

---
 src/components/structures/MessagePanel.js |  5 -----
 src/components/views/rooms/EventTile.tsx  | 22 ++++++++++++++--------
 2 files changed, 14 insertions(+), 13 deletions(-)

diff --git a/src/components/structures/MessagePanel.js b/src/components/structures/MessagePanel.js
index 6709fef814..19bf27b1d2 100644
--- a/src/components/structures/MessagePanel.js
+++ b/src/components/structures/MessagePanel.js
@@ -616,10 +616,6 @@ export default class MessagePanel extends React.Component {
         const eventId = mxEv.getId();
         const highlight = (eventId === this.props.highlightedEventId);
 
-        // we can't use local echoes as scroll tokens, because their event IDs change.
-        // Local echos have a send "status".
-        const scrollToken = mxEv.status ? undefined : eventId;
-
         const readReceipts = this._readReceiptsByEvent[eventId];
 
         let isLastSuccessful = false;
@@ -651,7 +647,6 @@ export default class MessagePanel extends React.Component {
             <TileErrorBoundary key={mxEv.getTxnId() || eventId} mxEvent={mxEv}>
                 <EventTile
                     as="li"
-                    data-scroll-tokens={scrollToken}
                     ref={this._collectEventNode.bind(this, eventId)}
                     alwaysShowTimestamps={this.props.alwaysShowTimestamps}
                     mxEvent={mxEv}
diff --git a/src/components/views/rooms/EventTile.tsx b/src/components/views/rooms/EventTile.tsx
index a9b8a26305..40e067d4d3 100644
--- a/src/components/views/rooms/EventTile.tsx
+++ b/src/components/views/rooms/EventTile.tsx
@@ -906,6 +906,10 @@ export default class EventTile extends React.Component<IProps, IState> {
             permalink = this.props.permalinkCreator.forEvent(this.props.mxEvent.getId());
         }
 
+        const scrollToken = this.props.mxEvent.status
+            ? undefined
+            : this.props.mxEvent.getId();
+
         let avatar;
         let sender;
         let avatarSize;
@@ -1046,7 +1050,7 @@ export default class EventTile extends React.Component<IProps, IState> {
             case 'notif': {
                 const room = this.context.getRoom(this.props.mxEvent.getRoomId());
                 return (
-                    <div className={classes} aria-live={ariaLive} aria-atomic="true">
+                    <li className={classes} aria-live={ariaLive} aria-atomic="true" data-scroll-tokens={scrollToken}>
                         <div className="mx_EventTile_roomName">
                             <RoomAvatar room={room} width={28} height={28} />
                             <a href={permalink} onClick={this.onPermalinkClicked}>
@@ -1069,12 +1073,12 @@ export default class EventTile extends React.Component<IProps, IState> {
                                 onHeightChanged={this.props.onHeightChanged}
                             />
                         </div>
-                    </div>
+                    </li>
                 );
             }
             case 'file_grid': {
                 return (
-                    <div className={classes} aria-live={ariaLive} aria-atomic="true">
+                    <li className={classes} aria-live={ariaLive} aria-atomic="true" data-scroll-tokens={scrollToken}>
                         <div className="mx_EventTile_line">
                             <EventTileType ref={this.tile}
                                 mxEvent={this.props.mxEvent}
@@ -1095,7 +1099,7 @@ export default class EventTile extends React.Component<IProps, IState> {
                                 { timestamp }
                             </div>
                         </a>
-                    </div>
+                    </li>
                 );
             }
 
@@ -1111,7 +1115,7 @@ export default class EventTile extends React.Component<IProps, IState> {
                     );
                 }
                 return (
-                    <div className={classes} aria-live={ariaLive} aria-atomic="true">
+                    <li className={classes} aria-live={ariaLive} aria-atomic="true" data-scroll-tokens={scrollToken}>
                         { ircTimestamp }
                         { avatar }
                         { sender }
@@ -1129,7 +1133,7 @@ export default class EventTile extends React.Component<IProps, IState> {
                                 showUrlPreview={false}
                             />
                         </div>
-                    </div>
+                    </li>
                 );
             }
             default: {
@@ -1143,13 +1147,15 @@ export default class EventTile extends React.Component<IProps, IState> {
 
                 // tab-index=-1 to allow it to be focusable but do not add tab stop for it, primarily for screen readers
                 return (
-                    React.createElement(this.props.as || "div", {
+                    React.createElement(this.props.as || "li", {
                         "ref": this.ref,
                         "className": classes,
                         "tabIndex": -1,
                         "aria-live": ariaLive,
                         "aria-atomic": "true",
-                        "data-scroll-tokens": this.props["data-scroll-tokens"],
+                        // we can't use local echoes as scroll tokens, because their event IDs change.
+                        // Local echos have a send "status".
+                        "data-scroll-tokens": scrollToken,
                         "onMouseEnter": () => this.setState({ hover: true }),
                         "onMouseLeave": () => this.setState({ hover: false }),
                     }, [